1: (1 7 15)

(0 20 17 13 2)(1 12 10 15 5)(3 9 4)(6 11 8)(7)(14 21 19 18 16)

2: (2 17 13)

(0 20 17)(1 12 10 15 5)(2)(3 9 4)(6 11 8)(7)(13)(14 21 19 18 16)

3: (14 21 16)

(0 20 17)(1 12 10 15 5)(2)(3 9 4)(6 11 8)(7)(13)(14)(16 19 18)(21)

4: (1 12 5)

(0 20 17)(1)(2)(3 9 4)(5 10 15)(6 11 8)(7)(12)(13)(14)(16 19 18)(21)